Salt cod with potatoes

• 3 red onions
• 8 new potatoes, unpeeled
• 4 fillets of salt cod, soaked to desalt

Peel the red onions and slice into rings.

Cook the potatoes in boiling water for 20 minutes; they should still be firm.

Preheat the oven to 180°C.

Lay the fish in a baking dish, add the halved potatoes and scatter with the onion rings, thyme and bay leaves.